Yeah, the creator of NYAN Cat sided with NYAN rather than NYN (the one you listed). Im not sure on the details, i think its partially due to the 10% premine everyone blabs about. Anyways, the NYAN coin is now picking up some traction, up to like 160mh/s, vs the 10 it was like 4-5 days ago lol.
Thread for the "last standing NYAN"
https://bitcointalk.org/index.php?topic=402085.0